Sunday, January 17, 2027Chattanooga, TN
Chilly Willy 5K/10K/Half Marathon - Chattanooga
4 events
- 5K5KRoadStarts 8:30 AM
- Half Marathon-No Shirt13.1KRoadStarts 8:30 AM
- Half MarathonHalfRoadStarts 8:30 AM
- 10K10KRoadStarts 8:30 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherGood weather · 84/100
- High / low
- 48° / 30°F
- 9° / -1°C
- Humidity
- 84%
- Dew point 33°F
- Chance of rain
- 33%
- Wind
- 5 mph
- Average
- Usually cold for a half marathon: about 36°F while racing.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- Typical timesFinish times are typical for 5Ks.2 years, 202 finishers; men and women compared separately.
- 5% slowerFinish times are typically 5% slower than at other 10Ks.2 years, 63 finishers; men and women compared separately.
- 4% fasterFinish times are typically 4% faster than at other half marathons.2 years, 60 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | Half Marathon · Half | 37 | 2:02:39 | 1:52:12 | 2:13:01 |
| 2026 | 10K · 10K | 36 | 59:48 | 54:50 | 1:03:30 |
| 2026 | 5K · 5K | 139 | 38:36 | 34:02 | 41:36 |
| 2025 | Half Marathon · Half | 23 | 2:09:53 | 1:58:02 | 2:19:36 |
| 2025 | 10K · 10K | 27 | 1:15:17 | 1:08:14 | 1:16:05 |
| 2025 | 5K · 5K | 63 | 34:38 | 30:06 | 36:37 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.
